package www.ym.com.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import www.ym.com.common.CustomException;
import www.ym.com.entity.Department;
import www.ym.com.entity.Role;
import www.ym.com.mapper.DepartmentMapper;
import www.ym.com.mapper.RoleMapper;
import www.ym.com.service.DepartmentService;
import www.ym.com.service.RoleService;

import java.time.LocalDateTime;
import java.util.List;

@Slf4j
@Service
public class DepartmentServiceImpl extends ServiceImpl<DepartmentMapper, Department> implements DepartmentService {

    @Autowired
    private DepartmentService departmentService;

    @Autowired
    private DepartmentMapper departmentMapper;

    /**
     * 增加部门信息
     *
     * @param department
     */
    @Override
    public void addDepartment(Department department) {
        department.setStatus(0);
        department.setCreateTime(LocalDateTime.now());
        LambdaQueryWrapper<Department> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Department::getDepartmentName, department.getDepartmentName());
        int count = departmentService.count(queryWrapper);
        if (count > 0) {
            throw new CustomException("部门名称已使用");
        }
        departmentService.save(department);
    }

    /**
     * 修改部门信息
     *
     * @param department
     */
    @Override
    public void updateDepartment(Department department) {
        LambdaQueryWrapper<Department> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Department::getDepartmentName, department.getDepartmentName());
        List<Department> list = departmentService.list(queryWrapper);
        if (list != null) {
            for (Department data : list) {
                Long id = data.getId();
                String roleName = data.getDepartmentName();
                if (!id.equals(department.getId()) && roleName.equals(department.getDepartmentName())) {
                    throw new CustomException("部门名称已使用");
                }
            }
        }
        departmentService.updateById(department);
    }

    /**
     * 分页
     * @param jsonObject
     * @return
     */
    @Override
    public Page<Department> pageUser(JSONObject jsonObject) {
        //当前页数
        Long pageNum = Long.valueOf(String.valueOf(jsonObject.get("pageNum")));
        //每页显示数
        Long pageSize = Long.valueOf(String.valueOf(jsonObject.get("pageSize")));
        //角色名称
        String departmentName = String.valueOf(jsonObject.get("departmentName"));
        log.info("当前页为"+pageNum);
        log.info("每页显示数"+pageSize);
        log.info("部门名称"+departmentName);

        LambdaQueryWrapper<Department> wrapper = new LambdaQueryWrapper<>();

        wrapper.eq(departmentName != "",Department::getDepartmentName, departmentName).notIn(Department::getDepartmentName,"超级管理员","管理员");
        wrapper.orderByDesc(Department::getUpdateTime);

        //进行分页查询-可跟条件
        Page<Department> urf = departmentMapper.selectPage(new Page<>(pageNum, pageSize), wrapper);
        System.out.println("数据为：" + urf.getRecords());
        System.out.println("总数为：" + urf.getTotal() + ",总页数为：" + urf.getPages());
        System.out.println("当前页为：" + urf.getCurrent() + ",每页限制：" + urf.getSize());
        return urf;
    }
}
